212201368723 has 4 divisors (see below), whose sum is σ = 212508462568. Its totient is φ = 211894274880.

The previous prime is 212201368697. The next prime is 212201368727. The reversal of 212201368723 is 327863102212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212201368723 - 2¹³ = 212201360531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201368727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153545886 + ... + 153547267.

It is an arithmetic number, because the mean of its divisors is an integer number (53127115642).

Almost surely, 2^212201368723 is an apocalyptic number.

212201368723 is a deficient number, since it is larger than the sum of its proper divisors (307093845).

212201368723 is an equidigital number, since it uses as much as digits as its factorization.

212201368723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307093844.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 212201368723 in words is "two hundred twelve billion, two hundred one million, three hundred sixty-eight thousand, seven hundred twenty-three".